Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Query / InternalTrees / ExplicitDiscriminatorMap.cs / 1 / ExplicitDiscriminatorMap.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Metadata.Edm; using System.Collections.Generic; using System.Linq; namespace System.Data.Query.InternalTrees { ////// Describes user-defined discriminator metadata (e.g. for a basic TPH mapping). Encapsulates /// relevant data from System.Data.Mapping.ViewGenerabetion.DiscriminatorMap (that is to say, /// data relevant to the PlanCompiler). This separate class accomplishes two things: /// /// 1. Maintain separation of ViewGen and PlanCompiler /// 2. Avoid holding references to CQT expressions in ITree ops (which the ViewGen.DiscriminatorMap /// holds a few CQT references) /// internal class ExplicitDiscriminatorMap { private readonly System.Collections.ObjectModel.ReadOnlyCollection> m_typeMap; private readonly EdmMember m_discriminatorProperty; private readonly System.Collections.ObjectModel.ReadOnlyCollection m_properties; internal ExplicitDiscriminatorMap(System.Data.Mapping.ViewGeneration.DiscriminatorMap template) { m_typeMap = template.TypeMap; m_discriminatorProperty = template.Discriminator.Property; m_properties = template.PropertyMap.Select(propertyValuePair => propertyValuePair.Key) .ToList().AsReadOnly(); } /// /// Maps from discriminator value to type. /// internal System.Collections.ObjectModel.ReadOnlyCollection> TypeMap { get { return m_typeMap; } } /// /// Gets property containing discriminator value. /// internal EdmMember DiscriminatorProperty { get { return m_discriminatorProperty; } } ////// All properties for the type hierarchy. /// internal System.Collections.ObjectModel.ReadOnlyCollectionProperties { get { return m_properties; } } /// /// Returns the type id for the given entity type, or null if non exists. /// internal object GetTypeId(EntityType entityType) { object result = null; foreach (var discriminatorTypePair in this.TypeMap) { if (discriminatorTypePair.Value.EdmEquals(entityType)) { result = discriminatorTypePair.Key; break; } } return result; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Metadata.Edm; using System.Collections.Generic; using System.Linq; namespace System.Data.Query.InternalTrees { ////// Describes user-defined discriminator metadata (e.g. for a basic TPH mapping). Encapsulates /// relevant data from System.Data.Mapping.ViewGenerabetion.DiscriminatorMap (that is to say, /// data relevant to the PlanCompiler). This separate class accomplishes two things: /// /// 1. Maintain separation of ViewGen and PlanCompiler /// 2. Avoid holding references to CQT expressions in ITree ops (which the ViewGen.DiscriminatorMap /// holds a few CQT references) /// internal class ExplicitDiscriminatorMap { private readonly System.Collections.ObjectModel.ReadOnlyCollection> m_typeMap; private readonly EdmMember m_discriminatorProperty; private readonly System.Collections.ObjectModel.ReadOnlyCollection m_properties; internal ExplicitDiscriminatorMap(System.Data.Mapping.ViewGeneration.DiscriminatorMap template) { m_typeMap = template.TypeMap; m_discriminatorProperty = template.Discriminator.Property; m_properties = template.PropertyMap.Select(propertyValuePair => propertyValuePair.Key) .ToList().AsReadOnly(); } /// /// Maps from discriminator value to type. /// internal System.Collections.ObjectModel.ReadOnlyCollection> TypeMap { get { return m_typeMap; } } /// /// Gets property containing discriminator value. /// internal EdmMember DiscriminatorProperty { get { return m_discriminatorProperty; } } ////// All properties for the type hierarchy. /// internal System.Collections.ObjectModel.ReadOnlyCollectionProperties { get { return m_properties; } } /// /// Returns the type id for the given entity type, or null if non exists. /// internal object GetTypeId(EntityType entityType) { object result = null; foreach (var discriminatorTypePair in this.TypeMap) { if (discriminatorTypePair.Value.EdmEquals(entityType)) { result = discriminatorTypePair.Key; break; } } return result; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SqlRowUpdatingEvent.cs
- FileRegion.cs
- IPGlobalProperties.cs
- HandledEventArgs.cs
- SecurityUtils.cs
- WebExceptionStatus.cs
- Misc.cs
- TypographyProperties.cs
- DragEvent.cs
- Point.cs
- BitmapCodecInfo.cs
- NullReferenceException.cs
- CurrentTimeZone.cs
- RegexRunnerFactory.cs
- WebContext.cs
- BehaviorEditorPart.cs
- keycontainerpermission.cs
- MultiBinding.cs
- RegistryKey.cs
- TreeNodeClickEventArgs.cs
- ClientProxyGenerator.cs
- ExpressionParser.cs
- Window.cs
- NonSerializedAttribute.cs
- IPipelineRuntime.cs
- ReadWriteObjectLock.cs
- UICuesEvent.cs
- Preprocessor.cs
- KeyFrames.cs
- mediaeventshelper.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- SqlDataReaderSmi.cs
- ScriptingSectionGroup.cs
- ContextStack.cs
- SafeArchiveContext.cs
- AdornerPresentationContext.cs
- CompModSwitches.cs
- ClientApiGenerator.cs
- Convert.cs
- AssertSection.cs
- UpdateManifestForBrowserApplication.cs
- DiscardableAttribute.cs
- TraceHandler.cs
- DependsOnAttribute.cs
- RoutedEvent.cs
- EventTrigger.cs
- WebServiceHandlerFactory.cs
- COM2Enum.cs
- MultiPageTextView.cs
- SaveFileDialog.cs
- Int16Animation.cs
- ToolStripLabel.cs
- ColorPalette.cs
- DateTimeSerializationSection.cs
- XmlSerializationReader.cs
- Assembly.cs
- AdornedElementPlaceholder.cs
- namescope.cs
- StyleTypedPropertyAttribute.cs
- SQLInt32.cs
- TranslateTransform3D.cs
- SHA1CryptoServiceProvider.cs
- InputScopeConverter.cs
- AssemblyResourceLoader.cs
- DataColumnChangeEvent.cs
- TimeSpanConverter.cs
- Utilities.cs
- AddingNewEventArgs.cs
- DataObjectMethodAttribute.cs
- InputManager.cs
- StorageEndPropertyMapping.cs
- X509Extension.cs
- ChtmlTextWriter.cs
- NumberFormatter.cs
- BitmapInitialize.cs
- Selection.cs
- RecognizerInfo.cs
- Padding.cs
- Icon.cs
- TypeDescriptor.cs
- ExtentJoinTreeNode.cs
- SpeechUI.cs
- DataObjectAttribute.cs
- AndCondition.cs
- CodeStatementCollection.cs
- SelfIssuedAuthRSAPKCS1SignatureDeformatter.cs
- EditCommandColumn.cs
- WebScriptServiceHost.cs
- TraceLevelHelper.cs
- HtmlCalendarAdapter.cs
- LocatorPart.cs
- XmlSerializerOperationBehavior.cs
- BufferedWebEventProvider.cs
- DocumentViewerConstants.cs
- TextSegment.cs
- ClassHandlersStore.cs
- TextCompositionEventArgs.cs
- PageParser.cs
- infer.cs
- PageSettings.cs